NST

Finally, using NHT/ NST and atomic force microscope, the micro-tribological properties of enamel and the recovery of surface damage were preliminarily investigated.

本文采用纳米压痕/划痕仪和原子力显微镜研究了牙釉质的微观摩擦学性能，并对其损伤的修复过程进行了初步探讨。

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The association between STV variation and poor neonatal prognosis, abnormal NST, fetal appurtenances was analyzed.

随机选择同期STV>5.0ms80例，并对不同STV组与围生儿预后不良和NST异常的分布情况及STV与胎儿附属物异常的关系进行分析和研究。

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【 Results 】 Perinatal poor prognostic rate in the cases with abnormal reaction to NST was 37.2%, with-out significant difference in comparison with the normal ones ( 38.5%, P> 0.05).

结果无负荷试验异常者围生儿预后不良率为37.2%，与正常者（38.5%）比较无明显差异（P>0.05）。

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A NST is performed using an electronic fetal monitor.

无应激试验使用胎儿电子监护.

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Antepartum testing . Nonstress tests , contraction stress tests , biophysical profiles.

分娩前检查:NST, CST, 生物物理评分.

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Results The incidence of systolic-diastolic ratio ( S/ D)≥ 3 and fetal predicament in the suspicious and non-reactive NST group is significantly higher than that in the reactive group.

结果NST无反应型加可疑型组S/D≥3者发生率及胎儿窘迫比反应组明显增高。

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Objective To study the pregnancy outcome and the clinical value of NST in polyhydramnios in the last trimester.

目的探讨妊娠晚期羊水过多的妊娠结局及无激惹试验的临床应用价值。

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NST of SC group was higher than that of LW group.

SC组动物的非颤抖性产热(NST)高于LW组.

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False response of NST may relate to abnormity of umbilical cord, breech presentation and pregnancy induced hypertension syndrome.

NST假反应型可能与脐带异常、臀位及妊娠高血压综合征等高危妊娠有关；

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Conclusion Combination of AFI and NST are in favor of prediction the prognosis of perinatal fetus.

结论NST和AFI联合测定对预测围产儿的预后有着一定的价值.

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